He often showed the medical workers how to wear special clothes properly and better protect themselves.

他经常向医务工作者展示如何正确地穿防护服，以更好地保护自己。

youdao

He often showed the medical workers how to wear special clothes properly and better protect themselves.

他经常向医务工作者展示如何正确地穿防护服，以更好地保护自己。

youdao